class Makefile

# File lib/makefile.rb, line 4
def initialize(include_makefile)
  @include_makefile = include_makefile
  @file = write
end

# File lib/makefile.rb, line 9
def get(variable)
  output = run variable
  _, value = parse output
  value
end

# File lib/makefile.rb, line 34
  def contents
    <<-contents
.PHONY: print-%
print-%:
\t@echo '$*=$($*)'
    contents
  end

# File lib/makefile.rb, line 27
def parse(output)
  match = output.match /^(\w+)=(.+)/
  if match
    [match[1], match[2]]
  end
end

# File lib/makefile.rb, line 23
def run(variable)
  `make -f #{@file.path} -f #{@include_makefile} print-#{variable.to_s.upcase}`
end

# File lib/makefile.rb, line 16
def write
  file = Tempfile.new('makefile')
  file.write contents
  file.close
  file
end